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Bond dissociation enthalpy of F(2) is le...

Bond dissociation enthalpy of `F_(2)` is less than that of `Cl_(2)`. Explain why ?

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`F_(2)` is having higher electron-electron repulsion due to its smaller size, as compared to `Cl_(2)`.
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Assertion: Bond dissociation energy of F_(2) molecule is less than that of Cl_(2) molecule. Reason: Due to inter-electronic repulsion between F atom, F-F bond length in F_(2) molecule is higher than Cl-Cl bond lengthh in Cl_(2) molecule.

The bond dissociation energy of N_(2)^(+) is less than that of N_(2) . Show why this is the case.

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CBSE COMPLEMENTARY MATERIAL-P-BLOCK ELEMENTS-VERY SHORT ANSWER TYPE QUESTIONS
  1. Why can’t we prepare HBr by heating KBr with sulphuric acid ?

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  2. Explain why : ICl is more reactive than I(2) ?

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  3. Which oxide of iodine is used for the estimation of carbon mono oxide ...

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  4. Arrange the following oxoacids of chlorine in increasing order of acid...

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  5. Why does fluorine not play the role of a central atom in interhalogen ...

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  6. Fluorine exhibit only – 1 oxidation state whereas other halogens exhib...

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  7. ClF(3) exists but FCl(3) does not. Why ?

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  8. Despite lower value of its electron gain enthalpy with negative sign, ...

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  9. ClF(3) molecule has a bent T-shaped structure and not a trigonal plana...

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  10. What happens when NaCl is heated with H(2)SO(4) in the presence of MnO...

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  11. With what neutral molecule ClO^(−) is isoelectronic ?

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  12. Why HF acid is stored in wax coated glass bottle ?

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  13. Bond dissociation enthalpy of F(2) is less than that of Cl(2). Explain...

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  14. What inspired N. Bartlett for carrying out reaction between Xe and PtF...

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  15. Predict the shape and the bond angle (90^(@) or more or less) in the f...

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  16. Structure of Xenon fluoride cannot be explained by valence bond approa...

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  17. Why do some noble gases form compounds with fluorine and oxygen only ?

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  18. XeF(2) has a straight linear structure and not a bent angular structur...

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  19. Why do noble gases have low boiling points ?

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  20. Write the chemical equation involved in the preparation of XeF(4).

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